![]() ![]() The reason for creating the new listener middleware is to fill that void. Thunks are also relatively difficult to test. Doing so requires writing custom middleware or using more powerful middleware libraries like Redux-Saga. #Reduxjs toolkit thunk codeOne of the most cited limitations is the inability to run code in response to dispatched actions or state updates. However, you can use a different middleware library if the default doesn’t meet your use case.ĭespite its simplicity, thunks have limitations. Since Redux Toolkit (RTK) became the de facto toolset for writing modern Redux code, it is accurate to say that Redux Thunk also became the default middleware, because it is part of RTK by default. ![]() You need to enhance Redux’s capability using middleware libraries like Redux Thunk, Redux-Saga, and the recently released listener middleware to manage side effects and more complex synchronous and asynchronous processes. However, real-world applications need to perform more than just simple action dispatches. You initiate state updates by dispatching simple synchronous actions with plain vanilla Redux. Redux reducers, the main building blocks of Redux, are pure functions by design. It makes managing complex UI states easier. Redux is one of the most popular state management libraries in JavaScript, especially among React developers. ![]() Redux-SagaĮditor’s note: This article was updated on 23 June, 2022 to reflect more accurate information about Redux Thunk, as brought to our attention in the comments section by Redux maintainer Mark Erikson. Joseph Mawa Follow A very passionate open source contributor and technical writer Redux Toolkit’s new listener middleware vs. ![]()
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